SWD
contents
Summary#
- SWD Pins
SWD pins#
- SWCLK: Clock into the core
- SWDIO: Data in / out
JTAG and SWD are similar and can be interfaced with each other:
| JTAG Mode | SWD Mode | Signal |
|---|---|---|
| TCK | SWCLK | Clock into the core |
| TDI | - | JTAG test data input |
| TDO | SWV | JTAG Test data output / SWV trace data output |
| TMS | SWDIO | JTAG test mode select / SWD data in and out |
| GND | GND | - |